DR. ANNIE DU YANG MD
NPI 1962069849
Psychiatry & Neurology - Neurology in Fairfax, VA
About Dr. Annie Du Yang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANNIE DU YANG MD (NPI 1962069849) is an individual neurology provider in Fairfax, Virginia, licensed in Virginia (0101278414) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS, is affiliated with Inova Loudoun Hospital, and is a graduate of New York University School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Annie Du Yang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Annie Yang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vienna, VA 22180
- Reassigned Medicare billing, Virginia and District of Columbia enrollments
- Also billed through NPI 1669511051 (District of Columbia), NPI 1538870191 (Virginia)
- 2,379 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Loudoun Hospital
Acute Care Hospitals · Leesburg, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAInova Fair Oaks Hospital
Acute Care Hospitals · Fairfax, VAInova Mount Vernon Hospital
Acute Care Hospitals · Alexandria, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Annie Yang's NPI number?
The NPI number for Annie Yang is 1962069849. It was assigned to this individual provider in the NPPES registry on May 25, 2019.
Where is Annie Yang located?
Annie Yang practices at 3620 Joseph Siewick Dr Ste 400, Fairfax, VA 22033. The listed phone number is (571) 472-4200.
What is Annie Yang's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Annie Yang enrolled in Medicare?
Yes. Annie Yang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Annie Yang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Annie Yang reassigns Medicare benefits to Inova Health Care Services (Vienna, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Annie Yang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Annie Yang affiliated with any hospitals?
According to CMS data, Annie Yang is affiliated with Inova Loudoun Hospital, Inova Fairfax Hospital, Inova Fair Oaks Hospital and Inova Mount Vernon Hospital.
When was this NPI record last updated?
The NPPES record for Annie Yang was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Annie Du Yang, MD · NPI 1962069849
Neurology physician in Fairfax, Virginia. Individual provider, active in the CMS NPPES registry since May 25, 2019.
## Identity
- **NPI:** 1962069849 (Entity type: Individual)
- **Enumerated:** May 25, 2019
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 0101278414 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3620 JOSEPH SIEWICK DR STE 400, Fairfax, VA 22033-1761
- **Phone:** (571) 472-4200 · **Fax:** (571) 432-3155
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Inova Health Care Services (NPI 1275886418, Vienna, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** September 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1962069849) · Data from the CMS NPPES public registry.